#include <complex.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>

#include "constants.h"

void QMR_precond_CRS(double complex *val, int *col_ind, int *row_ptr, 
		     double complex *b, 
		     double complex *x0, 
		     int n, int maxIter, double tolerance);
